PLATE 6 



32. 

 33-36 



36 



Reduced Hemoglobin of the Carp (Ci//iri>iux riir/iin), showing smaller tabular crystals as they 



appear when they first begin to develop. 



Same, showing larger tabular crystals aggregated in [larallel growth. 

 Oxyhemoglobin of the Necturus (Ncctxritx niiiriilntns), showing normally developed crystals, some 



twinned. 



